Cute dolphins are considered the most amazing, intelligent, and quick-witted sea creatures. Actually, dolphins are aquatic mammals from order Cetacea that are friendly to humans and often help those who are in trouble. These pretty animals can be gray, white, blue, black, and even pink color and they live in flocks because they don't tolerate loneliness. Interestingly that every dolphin in the ocean has its own name to which it responds. The grey-blue animal cursor with Dolphin!